Examples with ColorSpace com.jme3.texture.image.ColorSpace used on opensource projects

Example 6 with ColorSpace

use of com.jme3.texture.image.ColorSpace in project jmonkeyengine by jMonkeyEngine.

the class ImageToAwt method convert.

public static BufferedImage convert(Image image, boolean do16bit, boolean fullalpha, int mipLevel) {
    Format format = image.getFormat();
    DecodeParams p = params.get(image.getFormat());
    if (p == null)
        throw new UnsupportedOperationException();
    int width = image.getWidth();
    int height = image.getHeight();
    int level = mipLevel;
    while (--level >= 0) {
        width /= 2;
        height /= 2;
    }
    ByteBuffer buf = image.getData(0);
    buf.order(ByteOrder.LITTLE_ENDIAN);
    BufferedImage out;
    boolean alpha = false;
    boolean luminance = false;
    boolean rgb = false;
    if (p.am != 0)
        alpha = true;
    if (p.rm != 0 && p.gm == 0 && p.bm == 0)
        luminance = true;
    else if (p.rm != 0 && p.gm != 0 && p.bm != 0)
        rgb = true;
    // alpha OR luminance but not both
    if ((alpha && !rgb && !luminance) || (luminance && !alpha && !rgb)) {
        out = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_GRAY);
    } else if ((rgb && alpha) || (luminance && alpha)) {
        if (do16bit) {
            if (fullalpha) {
                ColorModel model = AWTLoader.AWT_RGBA4444;
                WritableRaster raster = model.createCompatibleWritableRaster(width, width);
                out = new BufferedImage(model, raster, false, null);
            } else {
                // RGB5_A1
                ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
                int[] nBits = { 5, 5, 5, 1 };
                int[] bOffs = { 0, 1, 2, 3 };
                ColorModel colorModel = new ComponentColorModel(cs, nBits, true, false, Transparency.BITMASK, DataBuffer.TYPE_BYTE);
                WritableRaster raster = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, width, height, width * 2, 2, bOffs, null);
                out = new BufferedImage(colorModel, raster, false, null);
            }
        } else {
            out = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        }
    } else {
        if (do16bit) {
            out = new BufferedImage(width, height, BufferedImage.TYPE_USHORT_565_RGB);
        } else {
            out = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        }
    }
    int expansionA = 8 - Integer.bitCount(p.am);
    int expansionR = 8 - Integer.bitCount(p.rm);
    int expansionG = 8 - Integer.bitCount(p.gm);
    int expansionB = 8 - Integer.bitCount(p.bm);
    if (expansionR < 0) {
        expansionR = 0;
    }
    int mipPos = 0;
    for (int i = 0; i < mipLevel; i++) {
        mipPos += image.getMipMapSizes()[i];
    }
    int inputPixel;
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            int i = mipPos + (Ix(x, y, width) * p.bpp);
            inputPixel = (readPixel(buf, i, p.bpp) & p.im) >> p.is;
            int a = (inputPixel & p.am) >> p.as;
            int r = (inputPixel & p.rm) >> p.rs;
            int g = (inputPixel & p.gm) >> p.gs;
            int b = (inputPixel & p.bm) >> p.bs;
            r = r & 0xff;
            g = g & 0xff;
            b = b & 0xff;
            a = a & 0xff;
            a = a << expansionA;
            r = r << expansionR;
            g = g << expansionG;
            b = b << expansionB;
            if (luminance)
                b = g = r;
            if (!alpha)
                a = 0xff;
            int argb = (a << 24) | (r << 16) | (g << 8) | b;
            out.setRGB(x, y, argb);
        }
    }
    return out;
}